{"coeffs": [1.1509811659112164e-07, 6.953895937419277e-07, 0.44453377604477734, 0.05929778813185711], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.856226340690336e-08, 1.0735857028867033e-06, 0.21956014886736086, 0.06922862543096663], "covariance": [[1.4870481590633976e-15, -2.5098613498785816e-14, -4.978475920103673e-09, -1.9501436213336133e-09], [-2.509861349878573e-14, 1.1525862614427369e-12, 2.350624377635388e-07, 7.069102576289373e-08], [-4.978475920103662e-09, 2.3506243776353878e-07, 0.04820665897065766, 0.014492925210636972], [-1.9501436213336125e-09, 7.069102576289377e-08, 0.014492925210636982, 0.004792602579061079]]}